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Mainsheet

Following the removal of the traveller as previously described, the new mainsheet uses the now common 'split bridle' system; the 8mm mainsheet has two 4mm 'tails' spliced side-by-side into one end, each of are attached to either side of the rear deck, more or less level with the rudder post. A block at the rear end of the boom leads the mainsheet up and forwards (along the underside of the boom) to the middle of the boat, where a second block on the boom sends it down to the centre-jammer mounted on the aft end of the centre console.

The purpose of the split bridle is to enable the boom to be centre-lined without using excessive sheet tension - for this to work however requires the 4mm bridle ropes to pull right through the aft boom block when the mainsheet is fully in - I see many boats where the 4mm - 8mm join is below the block, which prevents the system working properly.

In stronger winds an additional purchase is required, so two extra blocks are provided to facilitate this; rather than going straight into the centre-jammer, the mainsheet in this case is led to an extra block on the console, and then back up to an extra block on the boom, after which it goes back down through the jammer as before.

Two further tweaks are added to the mainsheet system, both of which are designed to prevent the mainsheet catching things when it goes slack during tacks and gybes. The first of these tweaks is a length of 4mm shockcord led from each corner of the transom to the rear end of the tiller, thus preventing the mainsheet getting caught around this point. The second tweak is to run a sailcloth 'sleeve' under the boom to prevent the mainsheet hanging down and decapitating the helm at inopportune moments.




Main sheet jammer. Sheet is rigged for light winds. The second block on the boom and the small block mounted in front of the jammer are used to add a 2:1 for heavier winds.